| Llantrisant to Sangeorgiu de Mures | 1,298.40 mi (2,089.57 km) |
| Llantrisant to Sangeorz-Bai | 1,284.05 mi (2,066.48 km) |
| Llantrisant to Sannicolau Mare | 1,149.17 mi (1,849.41 km) |
| Llantrisant to Santana | 1,177.76 mi (1,895.42 km) |
| Llantrisant to Satu Mare | 1,195.90 mi (1,924.62 km) |
| Llantrisant to Scobinti | 1,380.50 mi (2,221.70 km) |
| Llantrisant to Scornicesti | 1,366.47 mi (2,199.12 km) |
| Llantrisant to Sebes | 1,278.23 mi (2,057.12 km) |
| Llantrisant to Seini | 1,213.99 mi (1,953.73 km) |
| Llantrisant to Sfantu-Gheorghe | 1,376.05 mi (2,214.55 km) |
| Llantrisant to Sibiu | 1,308.40 mi (2,105.66 km) |
| Llantrisant to Sighetu Marmatiei | 1,235.37 mi (1,988.13 km) |
| Llantrisant to Sighisoara | 1,322.39 mi (2,128.19 km) |
| Llantrisant to Simeria | 1,257.88 mi (2,024.37 km) |
| Llantrisant to Sinaia | 1,382.52 mi (2,224.95 km) |
